Issue #13037 has been reported by Ary Borenszweig. ---------------------------------------- Bug #13037: Segmentation fault on "\n".lines(chomp: true) https://bugs.ruby-lang.org/issues/13037 * Author: Ary Borenszweig * Status: Open * Priority: Normal * Assignee: * Target version: * ruby -v: ruby 2.4.0dev (2016-12-15 trunk 57084) [x86_64-darwin15] * Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN ---------------------------------------- $ irb irb(main):001:0> RUBY_DESCRIPTION => "ruby 2.4.0dev (2016-12-15 trunk 57084) [x86_64-darwin15]" irb(main):002:0> "\n".lines(chomp: true) (irb):2: [BUG] Segmentation fault at 0x00000000000000 ruby 2.4.0dev (2016-12-15 trunk 57084) [x86_64-darwin15] -- Crash Report log information -------------------------------------------- See Crash Report log file under the one of following: * ~/Library/Logs/CrashReporter * /Library/Logs/CrashReporter * ~/Library/Logs/DiagnosticReports * /Library/Logs/DiagnosticReports for more details. Don't forget to include the above Crash Report log file in bug reports. -- Control frame information ----------------------------------------------- c:0020 p:---- s:0100 e:000099 CFUNC :lines c:0019 p:0009 s:0095 e:000094 EVAL (irb):2 [FINISH] c:0018 p:---- s:0092 e:000091 CFUNC :eval c:0017 p:0025 s:0084 e:000083 METHOD /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/workspace.rb:87 c:0016 p:0027 s:0076 e:000074 METHOD /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/context.rb:381 c:0015 p:0024 s:0069 e:000068 BLOCK /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:493 c:0014 p:0041 s:0060 e:000059 METHOD /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:627 c:0013 p:0011 s:0054 e:000053 BLOCK /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:490 c:0012 p:0128 s:0049 e:000048 BLOCK /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:246 [FINISH] c:0011 p:---- s:0045 e:000044 CFUNC :loop c:0010 p:0009 s:0041 e:000040 BLOCK /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:232 [FINISH] c:0009 p:---- s:0038 e:000037 CFUNC :catch c:0008 p:0018 s:0033 e:000032 METHOD /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:231 c:0007 p:0037 s:0029 E:000bd0 METHOD /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:489 c:0006 p:0008 s:0025 e:000024 BLOCK /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:430 [FINISH] c:0005 p:---- s:0022 e:000021 CFUNC :catch c:0004 p:0075 s:0017 E:002148 METHOD /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:429 c:0003 p:0118 s:0012 e:000011 METHOD /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:385 c:0002 p:0023 s:0006 e:000005 EVAL /Users/asterite-manas/.rbenv/versions/2.4.0/bin/irb:11 [FINISH] c:0001 p:0000 s:0003 E:001b00 (none) [FINISH] -- Ruby level backtrace information ---------------------------------------- /Users/asterite-manas/.rbenv/versions/2.4.0/bin/irb:11:in `<main>' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:385:in `start' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:429:in `run' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:429:in `catch' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:430:in `block in run' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:489:in `eval_input' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:231:in `each_top_level_statement' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:231:in `catch' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:232:in `block in each_top_level_statement' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:232:in `loop' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb:246:in `block (2 levels) in each_top_level_statement' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:490:in `block in eval_input' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:627:in `signal_status' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb:493:in `block (2 levels) in eval_input' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/context.rb:381:in `evaluate' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/workspace.rb:87:in `evaluate' /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/workspace.rb:87:in `eval' (irb):2:in `irb_binding' (irb):2:in `lines' -- Machine register context ------------------------------------------------ rax: 0x0000000000000000 rbx: 0x00007faf8a500d10 rcx: 0x00000000ffffffff rdx: 0x0000000000000000 rdi: 0x0000000000000000 rsi: 0x00007faf8d8724e8 rbp: 0x00007fff58d4ceb0 rsp: 0x00007fff58d4ce80 r8: 0x000000010707a280 r9: 0x00007faf8a406ed0 r10: 0x0000000000000005 r11: 0xffffffffffffff10 r12: 0x00007faf8d8724e8 r13: 0x0000000000000000 r14: 0x00007faf8a500d10 r15: 0x00007faf8d8724e8 rip: 0x0000000106f07043 rfl: 0x0000000000010246 -- C level backtrace information ------------------------------------------- 0 ruby 0x00000001070742eb rb_vm_bugreport + 379 1 ruby 0x0000000106f14604 rb_bug_context + 452 2 ruby 0x0000000106ff3c08 sigsegv + 72 3 libsystem_platform.dylib 0x00007fff929f352a _sigtramp + 26 4 ruby 0x0000000106f07043 rb_enc_ascget + 51 5 ruby 0x000000010701a30c rb_str_enumerate_lines + 1484 6 ruby 0x0000000107067ee5 vm_call_cfunc + 277 7 ruby 0x0000000107052a5d vm_exec_core + 11549 8 ruby 0x0000000107062c18 vm_exec + 120 9 ruby 0x0000000107070725 eval_string_with_cref + 1269 10 ruby 0x000000010705e622 rb_f_eval + 306 11 ruby 0x0000000107067ee5 vm_call_cfunc + 277 12 ruby 0x0000000107052a5d vm_exec_core + 11549 13 ruby 0x0000000107062c18 vm_exec + 120 14 ruby 0x000000010706f9f9 invoke_block_from_c_splattable + 345 15 ruby 0x0000000107070a5f loop_i + 31 16 ruby 0x0000000106f1def3 rb_rescue2 + 275 17 ruby 0x0000000107067ee5 vm_call_cfunc + 277 18 ruby 0x000000010705232b vm_exec_core + 9707 19 ruby 0x0000000107062c18 vm_exec + 120 20 ruby 0x000000010706f9f9 invoke_block_from_c_splattable + 345 21 ruby 0x00000001070709fa catch_i + 74 22 ruby 0x000000010705f85c vm_catch_protect + 156 23 ruby 0x000000010705ff42 rb_f_catch + 66 24 ruby 0x0000000107067ee5 vm_call_cfunc + 277 25 ruby 0x000000010705232b vm_exec_core + 9707 26 ruby 0x0000000107062c18 vm_exec + 120 27 ruby 0x000000010706f9f9 invoke_block_from_c_splattable + 345 28 ruby 0x00000001070709fa catch_i + 74 29 ruby 0x000000010705f85c vm_catch_protect + 156 30 ruby 0x000000010705ff42 rb_f_catch + 66 31 ruby 0x0000000107067ee5 vm_call_cfunc + 277 32 ruby 0x000000010705232b vm_exec_core + 9707 33 ruby 0x0000000107062c18 vm_exec + 120 34 ruby 0x0000000106f1d218 ruby_exec_internal + 136 35 ruby 0x0000000106f1d136 ruby_run_node + 54 36 ruby 0x0000000106eb0b7f main + 79 -- Other runtime information ----------------------------------------------- * Loaded script: irb * Loaded features: 0 enumerator.so 1 thread.rb 2 rational.so 3 complex.so 4 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/x86_64-darwin15/enc/encdb.bundle 5 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/x86_64-darwin15/enc/trans/transdb.bundle 6 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/unicode_normalize.rb 7 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/x86_64-darwin15/rbconfig.rb 8 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/compatibility.rb 9 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/defaults.rb 10 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/deprecate.rb 11 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/errors.rb 12 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/version.rb 13 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/requirement.rb 14 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/platform.rb 15 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/basic_specification.rb 16 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/stub_specification.rb 17 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/util/list.rb 18 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/x86_64-darwin15/stringio.bundle 19 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/specification.rb 20 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/exceptions.rb 21 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/dependency.rb 22 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/core_ext/kernel_gem.rb 23 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/monitor.rb 24 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb 25 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems.rb 26 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/rubygems/path_support.rb 27 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/e2mmap.rb 28 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/init.rb 29 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/workspace.rb 30 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/inspector.rb 31 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/output-method.rb 32 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/context.rb 33 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/extend-command.rb 34 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/notifier.rb 35 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/slex.rb 36 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-token.rb 37 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/ruby-lex.rb 38 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/src_encoding.rb 39 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/magic-file.rb 40 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/x86_64-darwin15/readline.bundle 41 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/input-method.rb 42 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb/locale.rb 43 /Users/asterite-manas/.rbenv/versions/2.4.0-dev/lib/ruby/2.4.0/irb.rb [NOTE] You may have encountered a bug in the Ruby interpreter or extension 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